Cigarette lighter



FIG. 1 is a perspective view of a cigarette lighter embodying my new design;

FIG. 2 is a top plan view;

FIG. 3 is a front elevational view;

FIG. 4 is a side elevational view of the side opposite to the perspective view of FIG. 1;

FIG. 5 is a rear view; and

FIG. 6 is a bottom plan view of FIG. 5. 

The ornamental design for a cigarette lighter, as shown. 